package chapter19;

import java.util.Random;

/**
 * @author lzy
 * @version v1.0
 * Create DateTime: 2019/4/2 21:58
 */
public enum SecurityCategory {
    STOCK(Security.Stock.class), BOND(Security.Bond.class);

    Security[] values;

    SecurityCategory(Class<? extends Security> kind) {
        values = kind.getEnumConstants();
    }

    public static void main(String[] args) {
        for (int i = 0; i < 10; i++) {
            SecurityCategory category = Enums.random(SecurityCategory.class);
            System.out.println(category + ":" + category.randomSelection());
        }
    }

    public Security randomSelection() {
        return values[new Random(47).nextInt(values.length)];
    }

    interface Security {
        enum Stock implements Security {SHORT, LONG, MARGIN}

        enum Bond implements Security {MUNICIPAL, JUNK}
    }
}
